<p>Wireless Bluetooth Headphones - Headphones Wireless Bluetooth In-Ear Headphones Bluetooth Ip7 Waterproof Headphones Wireless Bluetooth 5.1 Headphones In-Ear Headphones Bluetooth Noise Reduction Color Black Form Factor In-Ear Model Name Yummici Connection Technology Wireless Special Function Detachable Cable Included in Delivery Instructions Age Range (Description) Adult Wireless Bluetooth Headphones - Headphones Wireless Bluetooth In-Ear Headphones Bluetooth Ip7 Waterproof Headphones Wireless Bluetooth 5.1 Headphones In-Ear Headphones Bluetooth Noise Reduction Product Type: Headwear The Bluetooth headphones use a 13mm professional speaker unit and use CVC8.0 intelligent noise reduction to filter out noise and make your calls and leisure more enjoyable. At the same time, it is also suitable for various mobile phones and computers, as long as you need to connect the device to connect wireless headphones. Wireless headphones can be used at the same time at full capacity for four hours. By calculating the power supply in the headphone charger, it can be used for 100 hours. This product has an LED power supply function that makes it easy to check the power supply of the headphones and charging box. It only takes one hour to fully charge the headphones while the phone can be charged.</p>